* feat: add a headless extension template
* feat: add headless template support for create-kunkun package
* chore: bump create-kunkun version to 0.1.38
* feat: add kv store API for extensions
* feat: add kv api to @kksh/api package
* bump: @kksh/api to 0.0.47
* feat: add IKV type export to UI module
* feat: add delete api for KV API
* chore: add extension templates
* feat: add create-kunkun and cli package
* fix: cli and create-kunkun package location
* fix: cli package test
* ci: run test for CI pipeline only on Linux
The most important E2E test is run with docker, Linux anyways, no need to run on Mac and Windows